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lib: sw842: select crc32

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commit 5b57167749 upstream.

The sw842 library code was merged in linux-4.1 and causes a very rare randconfig
failure when CONFIG_CRC32 is not set:

    lib/built-in.o: In function `sw842_compress':
    oid_registry.c:(.text+0x12ddc): undefined reference to `crc32_be'
    lib/built-in.o: In function `sw842_decompress':
    oid_registry.c:(.text+0x137e4): undefined reference to `crc32_be'

This adds an explict 'select CRC32' statement, similar to what the other users
of the crc32 code have. In practice, CRC32 is always enabled anyway because
over 100 other symbols select it.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fixes: 2da572c959 ("lib: add software 842 compression/decompression")
Acked-by: Dan Streetman <ddstreet@ieee.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Arnd Bergmann 2016-01-13 23:24:02 +01:00 committed by Greg Kroah-Hartman
parent 7712c014b1
commit 96ee50f3b3
1 changed files with 2 additions and 0 deletions
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lib/Kconfig
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@ -210,9 +210,11 @@ config RANDOM32_SELFTEST
# compression support is select'ed if needed
#
config 842_COMPRESS
select CRC32
tristate
config 842_DECOMPRESS
select CRC32
tristate
config ZLIB_INFLATE